Notice: session_start(): Ignoring session_start() because a session is already active in /home/yivumoo/public_html/show_object.php on line 1

Warning: Cannot modify header information - headers already sent by (output started at /home/yivumoo/public_html/show_object.php:1) in /home/yivumoo/public_html/show_object.php on line 3

Notice: session_start(): Ignoring session_start() because a session is already active in /home/yivumoo/public_html/scripts/index_lookup.php on line 1

Notice: session_start(): Ignoring session_start() because a session is already active in /home/yivumoo/public_html/scripts/astrocalc.php on line 1

Notice: session_start(): Ignoring session_start() because a session is already active in /home/yivumoo/public_html/scripts/monthnames.php on line 1
DOCdb - NGC 1820

Notice: session_start(): Ignoring session_start() because a session is already active in /home/yivumoo/public_html/scripts/frag_build_banner.php on line 1

sponsored by psychohistorian.org

DOCdb

Deep Sky Observer's Companion – the online database

 

Welcome, guest!

If you've already registered, please log in,

or register an observer profile for added functionality.


Notice: session_start(): Ignoring session_start() because a session is already active in /home/yivumoo/public_html/scripts/frag_build_menu.php on line 1

Notice: session_start(): Ignoring session_start() because a session is already active in /home/yivumoo/public_html/scripts/frag_build_browse_showobject.php on line 1

List:

log in to manage your observing lists

 browse:

 

 position:

 

 next:

 

 options:

summary

rename

prune

trim

remove

close

copy

combine

plan

bookmark

load

new

delete

marathon

favourite!

Full database:

Entire DOCdb database of 18,816 objects.

 browse:

 position:

NGC 1820 (3,347 of 18,816)

 next:

oc gc pln bn dn gx gxcl ast aka lost

Object:

list

bookmark

finder chart

altitude today

altitude (year)

 search:

½°, 2°, 5° in DOCdb


Notice: session_start(): Ignoring session_start() because a session is already active in /home/yivumoo/public_html/scripts/frag_browse_flag.php on line 1

show browsing

NGC 1820

NGC 1820, SL 199, ESO 85-39, h 2754, GC 1032

RA: 05h 04m 4s
Dec: −67° 16′ 18″

Con: Dorado
Ch: MSA:485, U2:444, SA:24

Ref: SIMBAD, Skiff20080430-HGCjr

(reference key)

Type: open cluster

Mag: B=?, V=11.5

Size: ?
PA: ?

Historical observations

John Herschel

John Herschel recorded it as "a pL, rich, 6th class cluster, irregular figure, in radiating streaks. Place that of a star 10th mag (one of 3 such) It is within this cluster that the two nebulae [NGC 1814 & NGC 1816]."

Published comments

Shapley & Lindsay (1963)

Shapley and Lindsay ("A Catalogue of Clusters in the Large Magellanic Cloud", Irish Astronomical Journal, Vol. 6, 1963) group NGC 1814, 1816 and NGC 1820 together; the grouping measuring 6.8' x 4.5'. They remark "bright scattered stars in nebulosity."

Sulentic & Tifft (1973)

The RNGC (Sulentic and Tifft 1973) notes that this is a 9.0 mag open cluster in the LMC.


Notice: session_start(): Ignoring session_start() because a session is already active in /home/yivumoo/public_html/scripts/frag_right_bookmarks.php on line 1

Favourite lists

Lacaille's catalogue

The Messier objects

Dunlop's catalogue

The Bennett objects

The Caldwell list

Named DSOs


Notice: session_start(): Ignoring session_start() because a session is already active in /home/yivumoo/public_html/scripts/db_right_object_search.php on line 1

Object search

First search phrase

    and

Second search phrase

Type of object to include:

open cluster
globular cluster
planetary nebula
bright nebula
dark nebula
galaxy
galaxy cluster
asterism & stars
unverified/lost
nova


Notice: session_start(): Ignoring session_start() because a session is already active in /home/yivumoo/public_html/scripts/db_right_help.php on line 1

The Bug Report

DOCdb is still in beta-release.

Known issues, feature requests, and updates on bug fixes, are here:

> Bug Report

Feedback

Found a bug? Have a comment or suggestion to improve DOCdb? Please let us know!

> Contact us

Help!

DOCdb is a free online resource that exists to promote deep sky observing.

You could help by sharing your observations, writing an article, digitizing and proof-reading historical material, and more.

> Find out more


Notice: session_start(): Ignoring session_start() because a session is already active in /home/yivumoo/public_html/scripts/db_bottom_maincontent.php on line 1

Elsewhere in DOCdb


Notice: session_start(): Ignoring session_start() because a session is already active in /home/yivumoo/public_html/scripts/db_bottom_copyright.php on line 1

Everything on DOCdb.net is © 2004-2010 by Auke Slotegraaf, unless stated otherwise or if you can prove you have divine permission to use it. Before using material published here, please consult the Creative Commons Attribution-Non-Commercial-Share Alike 2.5 License. Some material on DOCdb is copyright the individual authors. If in doubt, don't reproduce. And that goes for having children, too. Please note that the recommended browser for DOCdb is Firefox 3.x. You may also get good results with K-Meleon. Good luck if you're using IE. A successful experience with other browsers, including Opera and Safari, may vary.